Vegetation indices

Developing and assessing vegetation indices:

The recently-developed SpecNet index, the Chlorophyll/Carotenoid Index (CCI), offers improved tracking of GPP phenology (relative to NDVI, NIRv).

In evergreens, the strong CCI-GPP relationship is driven by seasonal changes in pigment pool sizes.

CCI also works as a GPP indicator in deciduous and annual vegetation.

Seasonal changes in CCI and pigment pools appear to be closely related to chlorophyll fluorescence (and potentially SIF).

Read more about the CCI: https://www.pnas.org/content/113/46/13087

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